Commento vs Disqus: What are the differences?
Commento: Lightweight, open source, tracking-free alternative to Disqus. With Commento, you wouldn't need to worry about shady ad companies getting your data through hundreds of tracking services. You wouldn't need to worry about your page being slowed down - Commento uses just 22 kB total. And it's all open source; Disqus: Elevating the discussion, anywhere on the web. Disqus looks to make it very easy and rewarding for people to interact on websites using its system. Commenters can build reputation and carry their contributions from one website to the next.
Commento and Disqus can be categorized as "Commenting Service" tools.
Commento is an open source tool with 3.06K GitHub stars and 116 GitHub forks. Here's a link to Commento's open source repository on GitHub.